03/04 Crown Vic Town Car Grand Marquis 4.6 Simplified Harness & P71 ECM

$450.00
Sold Out

03/04 Crown Vic, Grand Marquis, Town Car P71 ECM along with a simplified wiring harness designed for ease of installation and improved performance.

Also can extend the coolant sensor wiring to extend inside of the car for a extra fee. (Helps run longer when hot)

P71 ECM

  • Security disabled

  • Rev limiter set to max 7500

Disclaimer for off-road use only.

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03/04 Crown Vic, Grand Marquis, Town Car P71 ECM along with a simplified wiring harness designed for ease of installation and improved performance.

Also can extend the coolant sensor wiring to extend inside of the car for a extra fee. (Helps run longer when hot)

P71 ECM

  • Security disabled

  • Rev limiter set to max 7500

Disclaimer for off-road use only.

Add on 4.6 4ft cylinder head temp sensor wiring
$35.00